Bag



FIG. 1 is a top, front, right perspective view of a bag showing our new design;

FIG. 2 is a right side view thereof; and,

FIG. 3 is a left side view thereof.

The broken lines within the shaded area represent stitching. The broken lines showing the remainder of the bag represent unclaimed subject matter and form no part of the claimed design. 

CLAIM The ornamental design for a bag, as shown and described. 